ISL9444CRZ
IC REG CTRLR BUCK 32QFNManufacturer: Renesas Electronics Corporation
Categories: DC DC Switching Controllers
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The Renesas Electronics Corporation ISL9444CRZ is a highly integrated, multiphase PWM (Pulse Width Modulation) controller designed for efficient step-down voltage regulation. This device features a 40-QFN (5x5mm) exposed pad package suitable for surface mounting. The ISL9444CRZ supports a wide input voltage range of 4.5V to 28V and offers flexible switching frequencies from 200kHz up to 1.2MHz. Its multiphase capability, with 2 output phases, enables high current delivery and improved transient response. Control features include Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, and Tracking, providing comprehensive system management. The device incorporates synchronous rectification for enhanced efficiency. This controller is commonly utilized in demanding applications across the automotive, industrial, and computing sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 40-VFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount |
| Function | Step-Down |
| Operating Temperature | 0°C ~ 85°C (TA) |
| Output Configuration | Positive |
| Frequency - Switching | 200kHz ~ 1.2MHz |
| Topology | Buck |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Supplier Device Package | 40-QFN (5x5) |
| Synchronous Rectifier | Yes |
| Control Features | Enable, Frequency Control, Phase Control, Power Fail, Power Good, Soft Start, Tracking |
| Serial Interfaces | - |
| Output Phases | 2 |
| Duty Cycle (Max) | - |
| Clock Sync | Yes |
| Number of Outputs | 3 |
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